package com.chixing.day09.day09_Homework;

public class String_YHJ {
    public static void main(String[] args) {
        String str = "1Ct3r4ip_ti4C6k9Et^";
        StringBuilder sbr = new StringBuilder();
        for (int i = 0; i < str.length(); i++) {
            if (!(str.charAt(i) >= '0' && str.charAt(i) <= '9')) {
                sbr.append(str.charAt(i));
            }
        }
        System.out.print(sbr);
    }
}
